Re: capturing sub-expressions?

[Dan Stromberg]

On Tue, 29 Jan 2008 18:27:05 -0800, Linda Walsh wrote:

> Paul Jarc wrote:
>> Linda Walsh <bash@tlinx.org> wrote:
>>> p="-e -p 60 -x"
>>> ---
>>> That's why I wanted the capture -- to pick out the 60 -- where 60
>>> represents a positive integer.  The space between the -p and the
>>> number is optional.
>> 
>> It sounds like you're looking for getopt.
> ---
>       I knew about getopt -- was just wanting a string-manipulation
> mechanism to do it, but am maybe getting too used to string
> manipulations in perl?  Would still love to use perl's full RE's in bash
> expressions, such is life...  (am not sure I want it enough to try
> implementing/merging them...:-)) Linda

If it's regex's you need, sed can do them nicely (without needing to 
leave the world of shell programming), and python has "perl compatible 
regex's" - but then python will often have a better way than regex's to 
do things.  :)